Building up 289?
- Thread starter 66nightMARE
- Start date
1: heads, you will need a set of good aftermarket heads like the windsor sr, afr 185's, tfs twisted wedge, or edelbrock performer rpm heads.
2: either a weiand stealth or performer rpm intake with a 600 to 750cfm carb.
3: you will need a fairly serious cam as well, something like the performer rpm at a minimum, but more like an xe282h extreme energy can from comp cams.
4: heads, a set of hooker super comp headers with a 1 5/8 or 1 3/4" primary tube.
5: the rest of the short block needs to be balanced, use a good forged piston cause you are going to turn some rpm(around 6500 with the 289), and replace the stock rod bolts with a set of arp wave lock bolts. also have the rods polished and shot peened for maximum strength.
6: you are going to want to use the hipo 289 balancer at the least, and better would be a good aftermarket sfi rated balancer.
2: either a weiand stealth or performer rpm intake with a 600 to 750cfm carb.
3: you will need a fairly serious cam as well, something like the performer rpm at a minimum, but more like an xe282h extreme energy can from comp cams.
4: heads, a set of hooker super comp headers with a 1 5/8 or 1 3/4" primary tube.
5: the rest of the short block needs to be balanced, use a good forged piston cause you are going to turn some rpm(around 6500 with the 289), and replace the stock rod bolts with a set of arp wave lock bolts. also have the rods polished and shot peened for maximum strength.
6: you are going to want to use the hipo 289 balancer at the least, and better would be a good aftermarket sfi rated balancer.
SoCalCruising
Founding Member
Buy a new Scat 3.0" stroke crank, 5.090" I-beam rods and 302 pistons. Then, add cylinder heads, cam, intake and headers. No problem making 350hp.
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